linux-kernel - Re: sched_yield: delete sysctl_sched_compat

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Message-Id: <200712041118.25414.nickpiggin@yahoo.com.au>
Date:	Tue, 4 Dec 2007 11:18:24 +1100
From:	Nick Piggin <nickpiggin@...oo.com.au>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Mark Lord <lkml@....ca>, Chris Friesen <cfriesen@...tel.com>,
	davids@...master.com,
	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>,
	Arjan van de Ven <arjan@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: sched_yield: delete sysctl_sched_compat_yield

On Tuesday 04 December 2007 09:33, Ingo Molnar wrote:
> * Mark Lord <lkml@....ca> wrote:
> >> heh, thanks :) For which workload does it make the biggest difference
> >> for you? (and compared to what other scheduler you used before?
> >> 2.6.22?)
> >
> > ..
> >
> > Heh.. I'm just a very unsophisticated desktop user, and I like it when
> > Thunderbird and Firefox are unaffected by the "make -j3" kernel builds
> > that are often running in another window.  BIG difference there.
> >
> > And on the cool side, the Swarm game (swarm.swf) is a great example of
> > something that used to get jerky really fast whenever anything else
> > was running, and now it really doesn't seem to be affected by
> > anything. (I don't really play computer games, but this one is has a
> > very retro feel..).
>
> nice! Do you feel any difference between 2.6.23 and 2.6.24-rc for these
> workloads? (if you've tried .24 already)

And also, I wonder what the average timeslice and number of context
switches is between 2.6.22 and 2.6.23-4. Would be interesting to see.
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